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JPL Small-Body Database Browser
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(2009 WB105)
Classification: Aten [NEO]          SPK-ID: 3479013
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2456773.5 (2014-Apr-26.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2524848618867084 3.1655e-07  
a .8253171557280338 9.6058e-10 au
q .6169370676513102 2.616e-07 au
i 38.40796990135459 0.00019968 deg
node 242.6226500496822 5.3358e-06 deg
peri 347.6211984665917 0.00012758 deg
M 159.0408055365855 0.00021041 deg
tp 2456652.513809561700
(2013-Dec-26.01380956)
0.00016006 TDB
period 273.8607139899619
0.75
4.7812e-07
1.309e-09
d
yr
n 1.314536848878571 2.295e-09 deg/d
Q 1.033697243804757 1.2031e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.361450467314641E-13 1.835E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      3289 days (9.00 yr)  
   first obs. used      2009-11-25  
   last obs. used      2018-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .29179  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-14 15:58:36  

Additional Information
 Earth MOID = .0371375 au 
 Jupiter MOID = 3.9752 au 
 T_jup = 6.909 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.5   n/a MPO358129  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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